1#!/bin/bash 2# Copyright (c) 2015 Oracle and/or its affiliates. All Rights Reserved. 3# 4# This program is free software; you can redistribute it and/or 5# modify it under the terms of the GNU General Public License as 6# published by the Free Software Foundation; either version 2 of 7# the License, or (at your option) any later version. 8# 9# This program is distributed in the hope that it would be useful, 10# but WITHOUT ANY WARRANTY; without even the implied warranty of 11# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12# GNU General Public License for more details. 13# 14# Test checks that we can create swap zram device. 15# 16# Author: Alexey Kodanev <alexey.kodanev@oracle.com> 17# Modified: Naresh Kamboju <naresh.kamboju@linaro.org> 18 19TCID="zram02" 20ERR_CODE=0 21 22. ./zram_lib.sh 23 24# Test will create the following number of zram devices: 25dev_num=1 26# This is a list of parameters for zram devices. 27# Number of items must be equal to 'dev_num' parameter. 28zram_max_streams="2" 29 30# The zram sysfs node 'disksize' value can be either in bytes, 31# or you can use mem suffixes. But in some old kernels, mem 32# suffixes are not supported, for example, in RHEL6.6GA's kernel 33# layer, it uses strict_strtoull() to parse disksize which does 34# not support mem suffixes, in some newer kernels, they use 35# memparse() which supports mem suffixes. So here we just use 36# bytes to make sure everything works correctly. 37zram_sizes="1048576" # 1M 38zram_mem_limits="1M" 39 40check_prereqs 41zram_load 42zram_max_streams 43zram_set_disksizes 44zram_set_memlimit 45zram_makeswap 46zram_swapoff 47zram_cleanup 48zram_unload 49 50if [ $ERR_CODE -ne 0 ]; then 51 echo "$TCID : [FAIL]" 52else 53 echo "$TCID : [PASS]" 54fi 55